9th Standard English Medium Science Subject Matter around us Book Back 3 Mark Questions with Solution Part - I

9th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 3 = 15
  1. Hold a ‘smiley ball’ and squeeze it. Can you compress it? Justify your answer?

  2. Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?

  3. What is an adsorbate and adsorbent?

  4. What is meant by Rf value?

  5. Name the apparatus that you will use to separate the components of mixtures containing two,
    i. miscible liquids
    ii. immiscible liquids

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